Home / 3,201.92-4,418.61-1,804.67

Finding the Fourth Proportional to 3,201.92, 4,418.61 and 1,804.67

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Solution

The fourth proportional to 3,201.92, 4,418.61 and 1,804.67 is: 2,490.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,201.92 : 4,418.61 = 1,804.67 : x
  2. Step 2: Convert to fraction form
    3,201.92/4,418.61 = 1,804.67/x
  3. Step 3: Cross multiply
    3,201.92x = 4,418.61 × 1,804.67
  4. Step 4: Simplify right side
    3,201.92x = 7,974,132.91
  5. Step 5: Solve for x
    x = 7,974,132.91/3,201.92
  6. Step 6: Final answer
    x = 2,490.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.